/*
 *      Copyright (C) 2010-2021 Hendrik Leppkes
 *      http://www.1f0.de
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License along
 *  with this program; if not, write to the Free Software Foundation, Inc.,
 *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

#pragma once

// Data Packet for queue storage
class Packet
{
  public:
    static const REFERENCE_TIME INVALID_TIME = _I64_MIN;

    Packet();
    ~Packet();

    int GetDataSize() const { return m_Packet ? m_Packet->size : 0; }
    BYTE *GetData() { return m_Packet ? m_Packet->data : nullptr; }

    int GetNumSideData() const { return m_Packet ? m_Packet->side_data_elems : 0; }
    AVPacketSideData *GetSideData() { return m_Packet ? m_Packet->side_data : nullptr; }

    int SetDataSize(int len);
    int SetData(const void *ptr, int len);
    int SetPacket(AVPacket *pkt);

    // Append the data of the package to our data buffer
    int Append(Packet *ptr);
    int AppendData(const void *ptr, int len);
    // Remove count bytes from position index
    int RemoveHead(int count);

    bool CopyProperties(const Packet *src);

  public:
    DWORD StreamId = 0;
    BOOL bDiscontinuity = FALSE;
    BOOL bSyncPoint = FALSE;
    LONGLONG bPosition = -1;

    REFERENCE_TIME rtStart = INVALID_TIME;
    REFERENCE_TIME rtStop = INVALID_TIME;

    REFERENCE_TIME rtPTS = INVALID_TIME;
    REFERENCE_TIME rtDTS = INVALID_TIME;

    AM_MEDIA_TYPE *pmt = nullptr;

#define LAV_PACKET_PARSED 0x0001
#define LAV_PACKET_MOV_TEXT 0x0002
#define LAV_PACKET_FORCED_SUBTITLE 0x0004
#define LAV_PACKET_H264_ANNEXB 0x0008
#define LAV_PACKET_SRT 0x0010
#define LAV_PACKET_PLANAR_PCM 0x0020
    DWORD dwFlags = 0;

  private:
    AVPacket *m_Packet = nullptr;
};
